The lithium niobate thin-film modulator was designed to achieve a modulation frequency of 350 kHz within the 0–2π phase range, further realizing high speed control of optical field coherence.

Internet from space via satellite has become a topic of interest. Commercial satellite networks, such as SpaceX Starlink and Telesat LightspeedTM, aim to provide high-speed Internet to remote and ...

Fiber networks are running out of runway. With AI workloads exploding, and enterprise and consumer demand surging in parallel, aging passive optical infrastructure is nearing its limits. Enter ...

As optical bandwidth requirements increase, system designers are turning to “coherent” modulation schemes that can place more data on the same laser light, and lower power over long connections. A ...

NTT Corporation (President and CEO: Akira Shimada, “NTT”) has succeeded in the world’s fastest optical transmission experiment of digital coherent optical signals exceeding 2 Tbits/s per wavelength.

TOKYO--(BUSINESS WIRE)--NTT Corporation (NTT, Head office: Chiyoda-ku Tokyo; President & CEO: Akira Shimada) has developed a digital coherent signal processing circuit and optical device that achieves ...